When you develop new add-ons for Office 365, you’re not only building your business—you’re also helping more than one billion
Office 365 users be more productive.
Connect to files, calendars, mail, and more when you integrate Office 365 APIs into your web apps.
Make Office even more powerful with web apps for tools such as Excel, Outlook, PowerPoint, and more.
Develop web apps that extend the functionality of SharePoint and solve business problems.
Discover why developing for Office 365 is just one part of building a sound cloud strategy.
Secure licenses for software and online services, including Office 365, when you join the Microsoft Partner Network.
You don’t have to go it alone. Microsoft experts are available to help answer questions about development, migration, and selling your IP.
Get quick guidance from an actual engineer. Simply fill in a quick form (so we can connect you with the right person) and start your chat.
Access technical training and personalized consultations to help you develop and deploy your app.
Register as an app developer and submit your apps to appear in the Office Store.
Check out the Microsoft FastTrack roadmap to learn more about products rolling out to developers soon.
Ready to develop for Office 365? Get the training you need to start building apps today, with help from our developer community.
Connect to conferences, training, and blog posts for Office 365, Office 365 client, and SharePoint developers.
Build applications extending Office and the Office 365 experience across desktop, web, and mobile platforms.